Hydraulics and Fluid Mechanics in ME According to Manning's formula, the discharge through an open channel is (where M = Manning's constant) A2/3 × M1/3 × m × i A × M × m2/3 × i1/2 A × M × m1/2 × i2/3 A1/2 × M2/3 × m × i A2/3 × M1/3 × m × i A × M × m2/3 × i1/2 A × M × m1/2 × i2/3 A1/2 × M2/3 × m × i ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The power transmitted through the nozzle is maximum when the head lost due to friction in the pipe is __________ of the total supply head. One-third None of these Two-third One-half One-third None of these Two-third One-half ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Bulk modulus of a fluid __________ as the pressure increases. Increases Remain same None of these Decreases Increases Remain same None of these Decreases ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a single casing, multistage pump running at constant speed, the capacity rating is to be slightly lowered. It can be done by Not possible Trimming the impeller size to the required size by machining Designing new impeller Some other alterations in the impeller Not possible Trimming the impeller size to the required size by machining Designing new impeller Some other alterations in the impeller ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Coefficient of velocity of venturimeter None of these is equal to the coefficient of discharge of venturimeter is independent of Reynolds number decreases with higher Reynolds number None of these is equal to the coefficient of discharge of venturimeter is independent of Reynolds number decreases with higher Reynolds number ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The diameter of the nozzle (d) for maximum transmission of power is given by (where D = Diameter of pipe, f = Darcy’s coefficient of friction for pipe, and l = Length of pipe) d = (D⁵/8fl)1/2 d = (D⁵/8fl)1/3 d = (D⁵/8fl)1/4 d = (D⁵/8fl)1/5 d = (D⁵/8fl)1/2 d = (D⁵/8fl)1/3 d = (D⁵/8fl)1/4 d = (D⁵/8fl)1/5 ANSWER DOWNLOAD EXAMIANS APP
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